Special Marine Warning Issued for Chesapeake Bay Areas
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NWS Baltimore MD/Washington DC has issued a Special Marine Warning for portions of the Chesapeake Bay and Patapsco River until 3:45 PM EDT due to severe thunderstorms capable of producing waterspouts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Chesapeake Bay, Maryland
- Issued
- August 2, 2026
- Issuing authority
- NWS Baltimore MD/Washington DC
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Baltimore MD/Washington DC. The alert is effective from 2:17 PM EDT on August 2, 2026, until 3:45 PM EDT on August 2, 2026.
Affected Areas
The warning covers Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Patapsco River including Baltimore Harbor; and Chester River to Queenstown MD.
What You Should Do
Move to safe harbor until hazardous weather passes. Seek safe harbor immediately. Thunderstorms can produce sudden waterspouts that can overturn boats and create locally hazardous seas.
Expected Conditions
Severe thunderstorms capable of producing waterspouts are moving northeast at 25 knots. Hazard includes wind gusts 34 knots or greater and waterspouts.
Timeline
The alert is in effect from 2:17 PM EDT until 3:45 PM EDT on August 2, 2026.
Original source: NOAA Official Notice ↗
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